package com.kafka.logs.service;

import org.springframework.amqp.core.AcknowledgeMode;
import org.springframework.amqp.rabbit.connection.CachingConnectionFactory;
import org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * @Author : JCccc
 * @CreateTime : 2019/9/4
 * @Description :
 **/
//@Configuration
public class MessageListenerConfig {

    private final CachingConnectionFactory connectionFactory;
    private final MyAckReceiver myAckReceiver;//消息接收处理类

    public MessageListenerConfig(CachingConnectionFactory connectionFactory, MyAckReceiver myAckReceiver) {
        this.connectionFactory = connectionFactory;
        this.myAckReceiver = myAckReceiver;
    }

    @Bean
    public SimpleMessageListenerContainer simpleMessageListenerContainer() {
        SimpleMessageListenerContainer container = new SimpleMessageListenerContainer(connectionFactory);
//        container.setConcurrentConsumers(1);
//        container.setMaxConcurrentConsumers(10);
        container.setAcknowledgeMode(AcknowledgeMode.MANUAL); // RabbitMQ默认是自动确认，这里改为手动确认消息
        //设置一个队列
        container.setQueueNames("DirectQueue");
        //如果同时设置多个如下： 前提是队列都是必须已经创建存在的
        //  container.setQueueNames("TestDirectQueue","TestDirectQueue2","TestDirectQueue3");

        //另一种设置队列的方法,如果使用这种情况,那么要设置多个,就使用addQueues
        //container.setQueues(new Queue("TestDirectQueue",true));
        //container.addQueues(new Queue("TestDirectQueue2",true));
        //container.addQueues(new Queue("TestDirectQueue3",true));
        container.setMessageListener(this.myAckReceiver);

        return container;
    }


}
